2008

7.1

1964

6.7

2004

6.1

1994

6.8

1965

6.7

1966

6.5

1911

9.5

1975

7.3

2011

7.1

2008

7.8

1968

4.7

1962

7.4

2007

6.7

2012

6.8

1996

7.0

1967

6.6

2003

7.1

1957

6.2

2016

6.2

2003

5.3